Finding the Fourth Proportional to 389,898.70, 584,903.84 and 120,049.68
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Solution
The fourth proportional to 389,898.70, 584,903.84 and 120,049.68 is: 180,091.69
Step by Step Solution
- Step 1: Write the proportion equation
389,898.70 : 584,903.84 = 120,049.68 : x - Step 2: Convert to fraction form
389,898.70/584,903.84 = 120,049.68/x - Step 3: Cross multiply
389,898.70x = 584,903.84 × 120,049.68 - Step 4: Simplify right side
389,898.70x = 70,217,515,898.25 - Step 5: Solve for x
x = 70,217,515,898.25/389,898.70 - Step 6: Final answer
x = 180,091.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.